KR20090056276A - Moving type sealing device for vinyl bag and sealing method using the same - Google Patents

Abstract

The present invention relates to a plastic bag sealing method and a sealing method of a plastic bag using a sealing device, in particular a plastic bag removable sealing device and sealing device to be stored for a long time by blocking the flow of air by sealing the plastic bag. It relates to a sealing method of a plastic bag using.

Removable sealing device for a plastic bag of the present invention, the outer peripheral surface with the insertion portion is formed in the longitudinal direction, the holder formed with a mounting hole in communication with the insertion portion therein; An inner rod inserted into a seating hole of the holder to seal the plastic bag together with the holder, wherein the seating hole is formed in a lengthwise direction of the holder and communicated with the insertion part; And a second seating hole formed in parallel with the first seating hole and communicating with the first seating hole, wherein the inner rod moves between the first seating hole and the second seating hole, so that the first seating hole or the second eye is closed. It is characterized in that it is selectively seated in the construction.

Description

MOVING TYPE SEALING DEVICE FOR VINYL BAG AND SEALING METHOD USING THE SAME}

The present invention relates to a plastic bag sealing method and a sealing method of a plastic bag using a sealing device, in particular a plastic bag removable sealing device and sealing device to be stored for a long time by blocking the flow of air by sealing the plastic bag. It relates to a sealing method of a plastic bag using.

1 is a conventional sealing device for a plastic bag, Figure 2 is a cross-sectional view of Figure 1 (see US Patent No. 3,141,221).

As shown in Figure 1 and 2, the sealing device for a plastic bag is composed of an inner rod 12 made of a long rod shape, and a holder 13 surrounding the inner rod 12.

The holder 13 is formed with a long fitting hole in the longitudinal direction of the inner rod 12.

Thus, the holder 13 has a 'C' shape in cross section as shown in FIG.

In the method of sealing the plastic bag (B) using such a sealing device, first the inner side rod 12 is placed close to the opening of the plastic bag (B), and then the vinyl to surround the inner rod 12 The opening of the envelope B is folded.

In this state, as shown in Figure 2, the holder 13 is inserted to surround the inner rod 12 and the plastic bag (B).

Alternatively, the vinyl is fixed to the holder 13 so that the inner rod 12 does not move, and the plastic bag B is disposed in the space between the inner rod 12 and the holder 13. The inner rod 12 and the holder 13 are pushed into the plastic bag B while the opening of the bag B is folded.

In this case, a fitting hole is formed in the holder 13, and the plastic bag B is disposed between the inner rod 12 and the holder 13 through the fitting hole, and the opening of the holder 13. It is placed outside.

The portion adjacent to the opening of the plastic bag (B) is fitted while being pressed between the holder 13 and the inner rod 12, the opening of the plastic bag (B) is to be sealed.

At this time, by forming a protrusion on the holder 13 or the inner rod 12 may further press the plastic bag (B).

However, such a conventional sealing device has a diameter of the fitting hole of the holder 13 is larger than the diameter of the inner rod 12 in order to sandwich the plastic bag B between the holder 13 and the inner rod 12. Form.

Therefore, the gap is generated between the holder 13 and the inner rod 12, the complete sealing is not made, there is a problem that the inflow and outflow of air through the opening of the plastic bag (B) occurs.

The present invention has been made to solve the above-mentioned problems, the plastic using a plastic sealing bag sealing device and sealing device that can more completely seal the opening of the plastic bag to minimize the flow of air through the opening of the plastic bag It is an object of the present invention to provide a method for sealing an envelope.

Removable sealing device for a plastic bag of the present invention to achieve the above object, the insert is formed in the longitudinal direction on the outer circumferential surface, the holder is formed with a mounting hole in communication with the insert; An inner rod inserted into a seating hole of the holder to seal the plastic bag together with the holder, wherein the seating hole is formed in a lengthwise direction of the holder and communicated with the insertion part; And a second seating hole formed in parallel with the first seating hole and communicating with the first seating hole, wherein the inner rod moves between the first seating hole and the second seating hole, so that the first seating hole or the second eye is closed. It is characterized in that it is selectively seated in the construction.

A locking step is formed between the first seating hole and the second seating hole.

And, the diameter of the seating hole of the portion where the locking step is formed, is formed smaller than the diameter of the inner rod.

In addition, the first seating hole is formed to be the same as or smaller than the diameter of the inner rod, the second seating hole is formed larger than the diameter of the inner rod.

In addition, a fixing protrusion protrudes from the inner rod, and a holder has a fixing groove in which the fixing protrusion is seated.

In order to achieve the above object, a sealing method of a plastic bag using the sealing device of the present invention, in a state in which a plastic bag is disposed between a holder and an inner rod inserted into the holder, raises or lowers the inner rod to hold the holder. And sealing the plastic bag disposed between the inner rod and the inner rod.

The holder has a seating hole is formed is the inner rod is seated, the seating hole, the second seating hole larger than the diameter of the inner rod; A first seating hole communicating with the second seating hole and smaller than the diameter of the inner rod, wherein the inner rod is moved from the second seating hole to the first seating hole to seal the plastic bag under pressure.

According to the sealing method of the plastic bag using the portable sealing device for the plastic bag and the sealing device of the present invention as described above has the following effects.

By forming the diameter of the second seating hole larger than the inner rod, the plastic bag can be easily disposed between the inner rod and the holder.

In addition, by forming the diameter of the first seating hole smaller than the inner rod, when the inner rod is seated in the first seating hole, the pressing force between the inner rod and the holder is increased to more fully seal the opening of the plastic bag.

Figure 3 is a perspective view of a sealing device for a plastic bag according to an embodiment of the present invention, Figure 4 is an exploded perspective view of the sealing device for a plastic bag according to an embodiment of the present invention, Figure 5 is a lateral cross-sectional view of Figure 3, 6 is a state of use of the sealing device for a plastic bag according to an embodiment of the present invention.

As shown in Figure 3 to 5, the sealing device of the present invention consists of a holder 20 and the inner rod 30.

The holder 20 is formed in a long rod shape, the outer peripheral surface is formed with an insertion portion 21 in the longitudinal direction so that the plastic bag 40 passes.

The insertion portion 21 extends to both sides of the holder 20.

A seating hole communicating with the insertion portion 21 is formed in the holder 20 in the longitudinal direction of the holder 20.

The seating hole is extended to both sides of the holder 20 is open to the outside.

The inner rod 30 is seated in the seating hole as described later.

The seating hole includes a first seating hole 23 and a second seating hole 22.

The first seating hole 23 is formed long in the longitudinal direction of the holder 20 and is in communication with the insertion portion 21.

The first seating hole 23 and the inserting portion 21 communicate with each other in the longitudinal direction of the holder 20.

That is, the first seating hole 23 is formed to extend in parallel in the inward direction of the holder 20 in the insertion portion 21.

The second seating hole 22 extends to both ends of the holder 20 in parallel with the first seating hole 23.

The second seating hole 22 is in long communication with the first seating hole 23 in the longitudinal direction.

That is, as shown in Figure 5, when looking at the cross section of the holder 20, the insertion portion 21, the first seating hole 23 and the second seating hole 22 is in communication with each other in order.

 The locking jaw 24 is formed to protrude between the first seating hole 23 and the second seating hole 22.

Since the locking jaw 24 is formed to protrude from the boundary between the first seating hole 23 and the second seating hole 22, the diameter of the portion formed in the locking jaw 24 is the first seating hole 23. ) And the diameter of the second seat hole (22).

In addition, the holder 20 is formed with a fixing groove 25 is concave.

The fixing groove 25 is preferably to be formed in communication with the second seating hole (22).

The inner rod 30 is formed in a long rod shape is inserted into the seating hole of the holder 20, pressure-sealing the plastic bag 40 with the holder 20.

At this time, the length of the inner rod 30 is preferably formed slightly larger than the length of the holder (20).

The inner rod 30 is formed with a fixing protrusion 35 protruding from the fixing groove 25.

When the fixing protrusion 35 is fitted into the fixing groove 25, when the inner rod 30 is disposed in the second seating hole 22, the inner rod 30 may be prevented from rotating arbitrarily. have.

The inner rod 30 moves between the first seating hole 23 and the second seating hole 22 to be selectively seated in the first seating hole 23 or the second seating hole 22.

The diameter of the seating hole in the portion where the locking jaw 24 is formed is formed smaller than the diameter of the inner rod (30).

The first seating hole 23 is formed to be the same as or smaller than the diameter of the inner rod 30, and the second seating hole 22 is formed to be larger than the diameter of the inner rod 30.

Hereinafter, look at the sealing method of the plastic bag 40 using the present invention made of the above configuration.

In the state in which the inner rod 30 is inserted into the second seating hole 22 of the holder 20, the plastic bag 40 is wrapped around the inner rod 30 so as to surround the inner rod 30. 20) and sandwiched between the inner rod (30).

Alternatively, the plastic bag 40 and the inner bar 30 is inserted into the second seating hole 22 in the state in which the plastic bag 40 surrounds the inner bar 30.

At this time, because the diameter of the second seating hole 22 is larger than the diameter of the inner rod 30, as shown in Figure 6 (a) the plastic bag 40 is the holder 20 and the inner rod It is easily sandwiched and arranged between 30.

At this time, since the fixing protrusion 35 formed in the inner rod 30 is seated in the fixing groove 25 formed in the holder 20, the inner rod 30 may be prevented from rotating arbitrarily.

When the user pulls the inner rod 30 or the plastic bag 40 in such a state, as shown in FIG. 6 (b), the inner rod 30 has a first seat hole at the second seat hole 22. Go to (23).

At this time, the inner rod 30 moves to the first seating hole 23 while pushing the locking jaw 24 to both sides.

Since the first seating hole 23 is smaller than the diameter of the inner rod 30, the holder 20 is slightly open to both sides.

Since the elastic force to restore the holder 20 to its original state acts toward the inner rod 30 and the diameter of the first seating hole 23 is smaller than the diameter of the inner rod 30, the inner rod 30 The plastic bag 40 disposed between the holder and the holder 20 is further pressure-sealed.

When the plastic bag 40 is to be separated from the sealing device, the plastic bag 40 is further pulled out so that the plastic bag 40 and the inner bag 30 are separated from the holder 20 together. .

The sealing method of the plastic bag using the sealing device and the sealing device for the plastic bag of the present invention is not limited to the above-described embodiment, it can be carried out in a variety of modifications within the allowable scope of the technical idea of the present invention.

1 is a conventional sealing device for plastic bags,

2 is a cross-sectional view of FIG.

3 is a perspective view of a sealing device for a plastic bag according to an embodiment of the present invention,

4 is an exploded perspective view of a sealing device for a plastic bag according to an embodiment of the present invention,

5 is a cross sectional view of FIG. 3;

Figure 6 is a state of use of the sealing device for a plastic bag according to an embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

20: holder, 21: inserting part, 22: second seating hole, 23: first seating hole, 24: locking jaw, 25: fixing protrusion

30: inner rod, 35: fixing groove, 40: plastic bag,

Claims (8)

A holder having an insertion portion formed in a longitudinal direction on an outer circumferential surface thereof, and having a seating hole communicating with the insertion portion therein; Is inserted into the seating hole of the holder is made of an inner rod for pressure-sealing the plastic bag with the holder, The seating hole, A first seating hole formed in the longitudinal direction of the holder and communicating with the insertion part; A second seating hole formed in parallel with the first seating hole and communicating with the first seating hole; The inner rod is moved between the first seating hole and the second seating hole, removable sealing device for a plastic bag, characterized in that the seat is selectively seated in the first seating hole or the second seating hole. The method of claim 1, The first seating hole is a plastic sealing bag sealing device, characterized in that less than or equal to the diameter of the inner rod. The method according to claim 1 or 2, The second seating hole is a removable sealing device for a plastic bag, characterized in that larger than the diameter of the inner rod. The method of claim 1, Mobile sealing device for a plastic bag, characterized in that the locking step is formed between the first seating hole and the second seating hole. The method of claim 4, wherein The diameter of the seating hole of the portion where the locking step is formed, the removable sealing device for a plastic bag, characterized in that smaller than the diameter of the inner rod. The method of claim 1, Fixing protrusions are formed on the inner rod, The holder is a removable sealing device for a plastic bag, characterized in that the fixing groove is formed in which the fixing projection is seated. Sealing device, characterized in that for pressing and sealing the plastic bag disposed between the holder and the inner rod by raising or lowering the inner rod in a state in which the plastic bag is disposed between the holder and the inner rod inserted into the holder. Sealing method of the used plastic bag. The method of claim 7, wherein The holder is provided with a seating hole in which the inner rod is seated, The seating hole, A first seating hole smaller than the diameter of the inner rod; A second seating hole communicating with the first seating hole and larger than the diameter of the inner rod, The inner rod is a sealing method of a plastic bag using a sealing device, characterized in that for moving the pressure from the second seat hole to the first seat hole sealing the plastic bag.

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